Harper Textbook Inc. buys on terms of 1/15, net 45 days. It does not take discounts, and it typically pays on time, 45 days after the invoice date. Net purchases amount to $480,000 per year. On average, what is the dollar amount of costly trade credit (total credit free credit) the firm receives during the year? (Assume a 365-day year, and note that purchases are net of discounts.)

		$33,151
		$35,308
		$37,574
		$39,452
		$42,450